Summary
If you make $159,978 a year living in the region of Ontario, Canada, you will be taxed $56,287. That means that your net pay will be $103,691 per year, or $8,641 per month. Your average tax rate is 35.2% and your marginal tax rate is 47.6%. This marginal tax rate means that your immediate additional income will be taxed at this rate. For instance, an increase of $100 in your salary will be taxed $47.60, hence, your net pay will only increase by $52.40.
Bonus Example
A $1,000 bonus will generate an extra $524 of net incomes. A $5,000 bonus will generate an extra $2,620 of net incomes.